<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title> </title>
        <style type="text/css">
        P{
            text-indent:2em;
            font-size:2;
            font-family:华文彩云;
            color:rgb(25, 144, 98);
        }
        div{
            border:3;
            border-width:2;
            color:blue;
            background-color: aqua;
        }
        span{
            color:aquamarine;
        }
    </style>
    </head>
    <body>
        <p><font face="微软雅黑">dasfagsgae</font></p>
        <p>fafdsgrag<sup>22</sup></p>
        <div>
            kasfkldfkl
        </div>
        <span>
            fsdfafa
        </span>

        <table border="1" width="500px" height="500px" align="center">
            <tr>
                <td align="center">
                    <font size="7">aa</font>
                </td>
            </tr>
        </table>
        <hr>
        <table border="1" cellspacing="1px" bgcolor="green" width="500px"
            height="500px" align="center">
            <tr bgcolor="white">
                <td align="center" bgcolor="pink">
                    ssf
                </td>
                <td align="center">
                    ada
                </td>
            </tr>
        </table>
        <hr>

        <table border="1" cellspacing="1px" bgcolor="skyblue" width="500px"
        height="500px" align="center">
        <caption>
            <!-- 只能在table里面是使用 -->
        </caption>
            <tr>
                <td>1</td>
                <td>2</td>
                <td>3</td>
            </tr>            
            <tr><td>4</td>
                <td colspan="2" rowspan="2">5</td>
                <!-- <td>6</td> -->
            </tr>
            <tr><td>7</td>
                <!-- <td >8</td> -->
                <!-- <td>9</td> -->
            </tr>
            <tr><td>10</td>
                <td>11</td>
                <td>12</td>
            </tr>
        </table>
        <hr>

        <header>sadfdsga</header>
        <nav>dad</nav>
    </body>
</html>